Definition of "thanklessness" [thanklessness]

• The property of being thankless. (noun)

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• "I began to weary of the small Yankee greed and griping and "thanklessness" which I experienced."
• "Since then I have learned it is one of the greatest and most direct routes to happiness because one thing's for sure: dwelling in its opposite thanklessness certainly isn't going to make you happy, nor will it get you what you want."
• "If, on the other hand, you are not nice to her all year, then that lousy bunch of carnations is little more than a reminder of the putrid thanklessness of her lot."